Green Rear Green With Orange Focus Lock Front Sight- The TFX Glock Low Set Pro ORN Handgun Sight provides a longer sight radius for tighter groupings. The aiming elements are encased inside a virtually indestructible chemical and shock resistant capsule. All of the CNC-machined steel is protected with a rust proof Fortress Finish. There is even a highly visible white ring surrounding the front fiber to make it even more visible.